.flex{
  display: flex;
}
.jc-center{
  justify-content: center;
}
.jc-around{
  justify-content: space-around;
}
.jc-end{
  justify-content: flex-end;
}
.jc-between{
  justify-content: space-between;
}
.al-center{
  align-items: center;
}
